Lunch box



FIG. 1 is a top plan view of a lunch box showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a perspective view thereof; and,

FIG. 8 is a perspective view which the handle is shown in an alternate positions. 

The ornamental design for a lunch box, as shown and described. 